Paul Rubin wrote:
> George Sakkis <[EMAIL PROTECTED]> writes:
>
>> from itertools import chain, izip, cycle
>> print ''.join(chain(*izip(s1.split('_'),cycle(':,'))))[:-1]
>>
>
> from itertools import cycle
> a = cycle(':,')
> print re.sub('_', lambda x: a.next(), s1)
>
Lovely.
If there OP didn't vanished into thin air*, I'd declare you the winner
(although you forgot to import re).
This said, I'm still kind of partial to any re-only solution, but it
would require someone outlines the behavior in the corner cases.
* die, thread!
--
Pablo
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